How to use oscilloscope histogram?

1.Set 7 independent instruments in one, including: oscilloscope / 16-channel logic analyzer/spectrum analyzer/arbitrary wave generator/digital voltmeter / 6-bit frequency meter and accumulator/protocol analyzer;
2.Real-time sampling rate up to 2GSa/s, 2G memory depth, hardware real-time waveform recording and playback up to 2 million frames;
3.10.1 inch multi-touch capacitive screen, 256 level waveform gray scale and color temperature display;
4.Rich serial protocol triggering and decoding functions;
5.Waveform capture rate is higher than 500,000 waveforms per second;
6.Up to 51 kinds of waveform parameters are automatically measured, and full memory hardware measurement function is also provided;
7.Multiple data analysis and processing functions: independent search, navigation keys and event list, histogram, baud chart, power analysis, counter.